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HomeDeveloper resourcesChangelogClover2025-09-30.clover

Promotion Codes now reference Coupons using a polymorphic field for promotionsBreaking changes

What’s new

Moves the top-level coupon field on Promotion Codes to promotion.coupon, as part of a new promotion hash which is polymorphic.

Why is this a breaking change?

You should now reference Coupons from Promotion Codes using the new promotion.coupon parameter, and specify the promotion.type parameter as coupon.

When you retrieve Promotion Codes, they don’t auto-expand the promotion.coupon field.

Impact

As we expand the list of supported promotion code types, you’ll be able to reference specific types when identifying Promotion Codes.

Changes

ParametersChangeResources or endpoints
promotionAdded
PromotionCodePromotionCode#create
couponRemoved
PromotionCodePromotionCode#create

Upgrade

  1. View your current API version in Workbench.
  2. If you use an SDK, upgrade to the corresponding SDK version for this API version.
    • If you don’t use an SDK, update your API requests to include Stripe-Version: 2025-09-30.clover
  3. Upgrade the API version used for webhook endpoints.
  4. Test your integration against the new version.
  5. If you use Connect, test your Connect integration.
  6. In Workbench, perform the upgrade. You can roll back the version for 72 hours.

Learn more about Stripe API upgrades.

Related changes

  • Removes iterations parameter for subscription schedules
  • Adds the Discount source property and removes the Discount coupon property
  • Makes flexible billing mode the default for new subscriptions
  • Updates computation of subscription schedule phase end date to consider billing cycle anchor changes
  • Adds customer portal configuration trial behavior
  • Adds the ability to itemize proration discount amounts
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